208.71.40.0/21
🇺🇸CIDR
208.71.40.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
New York
RIR
ARIN
Status
allocated
Allocated
10/9/2006
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 208.71.40.0/21 | AS36647YAHOO-GQ1 - Yahoo Holdings Inc. | No ROA | RADB | 5/30/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 208.71.46.0/24 | AS36647YAHOO-GQ1 - Yahoo Holdings Inc. | No ROA | — | 5/30/2026 |
Origin ASN
AS36647
YAHOO-GQ1 - Yahoo Holdings Inc.
Geolocation
API
Open https://api.ipctl.io/v1/prefix/208.71.40.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/208.71.40.0/21" | jq
External Links